Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Intangible assets subject to amortization (finite-lived)
Gross	$ 1,314.3	$ 1,275.9
Accumulated Amortization	(425.7)	(407.9)
Net	888.6	868.0
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	1,611.5	1,640.1
Finite and Indefinite lived intangible assets, gross	2,925.8	2,916.0
Intangible assets net	2,500.1	2,508.1
Crop Protection Brands
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	1,259.0	1,259.0
Brands
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	341.3	370.1
In-process research & development
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	11.2	11.0
Customer relationships
Intangible assets subject to amortization (finite-lived)
Gross	1,131.6	1,127.9
Accumulated Amortization	(366.9)	(351.3)
Net	764.7	776.6
Patents
Intangible assets subject to amortization (finite-lived)
Gross	1.7	1.7
Accumulated Amortization	(1.4)	(1.4)
Net	0.3	0.3
Brands
Intangible assets subject to amortization (finite-lived)
Gross	49.1	16.1
Accumulated Amortization	(11.1)	(10.6)
Net	38.0	5.5
Purchased and licensed technologies
Intangible assets subject to amortization (finite-lived)
Gross	129.5	128.4
Accumulated Amortization	(44.6)	(42.9)
Net	84.9	85.5
Other intangibles
Intangible assets subject to amortization (finite-lived)
Gross	2.4	1.8
Accumulated Amortization	(1.7)	(1.7)
Net	$ 0.7	$ 0.1

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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